immutable

英 [ɪˈmjuːtəbl]

美 [ɪˈmjuːtəbl]

adj.  不可改变的; 永恒不变的

复数：immutables　

BNC.20103 / COCA.18955

牛津词典

adj.

• 不可改变的；永恒不变的
  that cannot be changed; that will never change

柯林斯词典

• ADJ 永远不变的;永恒的
  Something that isimmutablewill never change or cannot be changed.
  1. ...the eternal and immutable principles of right and wrong.
     永恒不变的对错法则

英英释义

adj

• not subject or susceptible to change or variation in form or quality or nature
  1. the view of that time was that all species were immutable, created by God
  Synonym:changeless

双语例句

• VB allows both mutable and immutable anonymous types, with subtly different rules for each.
  而VB却同时支持可变和不可变的匿名类型，对于这两种匿名类型，实现和使用的规则也略有不同。
• We should design the language so that the default case is an immutable value.
  我们设计的语言在默认情况下应该是不变的值。
• Because changes only occur upon construction, immutable classes make it trivial to write unit tests.
  因为变化只会发生构造函数中，因此不可变类会将编写单元测试变成了一件微不足道的事情。
• That article demonstrated the tuple, which is an immutable sequence.
  这篇文章演示了tuple，这是一个不可变的序列。
• Using this style of code is a strong visual indicator that it's an immutable class.
  这种代码风格的使用从视觉上给出了一种强烈的指示：该类是一个不可变类。
• One advantage of immutable classes is that they are thread-safe.
  （不可变类的一个优点就是它们是线程安全的）。
• As immutable sequences, both tuple and string objects can't be modified once they're created.
  作为不可变的序列，tuple和string对象在创建之后便无法修改。
• Joda classes that represent immutable instants in time are subclasses of this one.
  表示时间上的不可变瞬间的Joda类都属于这个类的子类。
• God has made certain immutable decisions from all eternity.
  神在永恒里作了不可改变的决定。
• Values and attitudes are not immutable, but are likely to change.
  价值观和态度不是一成不变的，而是很可能改变。